/**
 * The MIT License
 * Copyright © 2021 liu cheng
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package io.github.chengliu.nacosconsuladapter.listeners;

import io.github.chengliu.nacosconsuladapter.utils.NacosServiceCenter;
import com.alibaba.nacos.api.naming.listener.Event;
import com.alibaba.nacos.api.naming.listener.EventListener;
import com.alibaba.nacos.api.naming.listener.NamingEvent;
import com.alibaba.nacos.api.naming.utils.NamingUtils;
import lombok.extern.slf4j.Slf4j;

import java.util.Objects;

/**
 * @author lc
 * @description
 * @createDate 2021/5/29
 */
@Slf4j
public class ServiceChangeListener implements EventListener {
    private NacosServiceCenter nacosServiceCenter;
    private String serviceName;

    public ServiceChangeListener(String serviceName, NacosServiceCenter nacosServiceCenter) {
        this.nacosServiceCenter = nacosServiceCenter;
        this.serviceName = serviceName;
    }

    @Override
    public void onEvent(Event event) {
        if (event instanceof NamingEvent) {
            NamingEvent namingEvent = (NamingEvent) event;
            log.debug("receive {} service change event.", ((NamingEvent) event).getServiceName());
            nacosServiceCenter.publish(NamingUtils.getServiceName(namingEvent.getServiceName()));
        }
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        ServiceChangeListener that = (ServiceChangeListener) o;
        return serviceName.equals(that.serviceName);
    }

    @Override
    public int hashCode() {
        return Objects.hash(serviceName);
    }
}
